Knife holder for a microtome



FIG. 1 is a perspective view of a knife holder for a microtome showing my new design;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a top plan view of FIG. 2, the bottom being plain except for the slot which runs from front to rear as shown in FIGS. 1, 2, and 5;

FIG. 4 is a right side elevational view of FIG. 2, the left side being plain and unadorned; and,

FIG. 5 is a rear elevational view of FIG. 2. 

The ornamental design for a knife holder for a microtome, as shown and described. 